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Marine Ecosystems and Global Change$
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Manuel Barange, John G. Field, Roger P. Harris, Eileen E. Hofmann, R. Ian Perry, and Francisco Werner

Print publication date: 2010

Print ISBN-13: 9780199558025

Published to Oxford Scholarship Online: May 2010

DOI: 10.1093/acprof:oso/9780199558025.001.0001

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Dynamics of marine ecosystems: integration through models of physical-biological interactions

Dynamics of marine ecosystems: integration through models of physical-biological interactions

Chapter:
(p.89) Chapter 5 Dynamics of marine ecosystems: integration through models of physical-biological interactions
Source:
Marine Ecosystems and Global Change
Author(s):

Brad de Young

Francisco E. Werner

Harold Batchelder

François Carlotti

Øyvind Fiksen

Eileen E. Hofmann

Suam Kim

Michio J. Kishi

Hidekatsu Yamazaki

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199558025.003.0005

GLOBEC studies have greatly expanded our understanding of the structure and functioning of marine ecosystems, in particular demonstrating the importance of life history dynamics in determining the influence of physical processes on organisms in the ocean. The linkages between physical and biological processes were explored through novel approaches to experimentation in the laboratory, in the field, and through biophysical models of the coupled dynamics. New observations and the development of realistic physical circulation models have made it possible to quantitatively explore the relation between advection by large‐scale hydrodynamic fields, motions of actively behaving organisms at the scale of the individuals, and the response of organisms to dynamically evolving predator—prey fields. Scale dependence has also been demonstrated through observations that cover a wide geographic range and models that allow high resolution ranging from continental shelf to oceanic basin scales. The complexity of the interactions in marine ecosystems has required consideration of as many factors as possible while at the same time focusing on the primary factors, given the challenges of disentangling the complexity. These ideas and approaches to biophysical coupling are reviewed through presentation of the research that has been carried out during the GLOBEC programme over the past two decades.

Keywords:   biological processes, biophysical models, circulation modelling, life history, marine ecosystems, numerical modelling, physical processes, turbulence

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